Cost to Run a Oil-Filled Radiator Heater in Hawaii
Hawaii's average residential electricity rate is 46.6¢/kWh as of April 2026 — the 51st cheapest in the country, 148% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $170 per month.
Per hour
$0.70
at 700–1,500 W
Per day
$5.59
8 hours/day
Per month
$170
365 kWh
Per year
$2,041
4,380 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $2.80 | $85.00 | $1,021 |
| Typical (8 hrs/day) | $5.59 | $170 | $2,041 |
| Heavy (16 hrs/day) | $11.18 | $340 | $4,082 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a oil-filled radiator heater in Hawaii?
At Hawaii's current average residential rate of 46.6¢/kWh (April 2026), a oil-filled radiator heater with typical usage costs about $5.59 per day, $170 per month, or $2,041 per year.
Is running a oil-filled radiator heater in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 148% more than the U.S. average, so the same usage costs $170 per month here versus $68.58 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 46.6¢ per kWh as of April 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.